Constantine, Midred; Jacobson, Egbert <br/><br/>
Sign language / 
Constantine, Midred; Jacobson, Egbert 
 -  Reinhold Publishing Coropration, New York,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Verbal language not spoken or written
<br/><br/><label>Dewey Class. No.: </label>419 CON-S